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nova: Remove configuration of '[scheduler] driver'

This option was deprecated in Ussuri [1] as nova no longer provided any
schedulers aside from the filter scheduler and the existence of
third-party schedulers was very unlikely. Stop configuring this and
simply use the default.

[1] https://review.opendev.org/#/c/707225/

Change-Id: Iabdd1d00e00ee269334f0fe0db265a97207e2dc6
Signed-off-by: Stephen Finucane <sfinucan@redhat.com>

Stephen Finucane authored on 2020/05/27 22:24:09
Showing 1 changed files
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@@ -96,10 +96,6 @@ NOVA_ENABLE_CACHE=${NOVA_ENABLE_CACHE:-True}
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 # NOTE: Set ``FORCE_CONFIG_DRIVE="False"`` to turn OFF config drive
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 FORCE_CONFIG_DRIVE=${FORCE_CONFIG_DRIVE:-"False"}
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-# Nova supports pluggable schedulers.  The default ``FilterScheduler``
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-# should work in most cases.
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-SCHEDULER=${SCHEDULER:-filter_scheduler}
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-
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 # The following NOVA_FILTERS contains SameHostFilter and DifferentHostFilter with
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 # the default filters.
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 NOVA_FILTERS="AvailabilityZoneFilter,ComputeFilter,ComputeCapabilitiesFilter,ImagePropertiesFilter,ServerGroupAntiAffinityFilter,ServerGroupAffinityFilter,SameHostFilter,DifferentHostFilter"
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@@ -398,11 +394,8 @@ function create_nova_conf {
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     fi
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     iniset $NOVA_CONF wsgi api_paste_config "$NOVA_API_PASTE_INI"
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     iniset $NOVA_CONF DEFAULT rootwrap_config "$NOVA_CONF_DIR/rootwrap.conf"
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-    iniset $NOVA_CONF scheduler driver "$SCHEDULER"
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     iniset $NOVA_CONF filter_scheduler enabled_filters "$NOVA_FILTERS"
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-    if [[ $SCHEDULER == "filter_scheduler" ]]; then
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-        iniset $NOVA_CONF scheduler workers "$API_WORKERS"
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-    fi
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+    iniset $NOVA_CONF scheduler workers "$API_WORKERS"
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     iniset $NOVA_CONF neutron default_floating_pool "$PUBLIC_NETWORK_NAME"
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     if [[ $SERVICE_IP_VERSION == 6 ]]; then
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         iniset $NOVA_CONF DEFAULT my_ip "$HOST_IPV6"